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Yama: Manga Collector
Yama: Manga Collector is a free, ad-free inventory management tool for manga enthusiasts on iOS.
The App DNA
What makes this app unique?
The app removes the manual effort of tracking physical manga series by providing a centralized, scannable digital library.
For Manga collectors who want a digital cataloging tool to track their physical library and compare collections with others.
What does it look like?
Key features
Uses device camera to scan manga ISBNs for instant catalog entry.
Allows users to view and compare manga collections with friends or strangers.
Centralized view of owned manga series and volumes.
How much does it cost?
The app operates on a free, ad-free model, relying on voluntary user support via external donation platforms.
Velocity
Dormant developmentopaqueShow more...
Yama: Manga Collector has been inactive for 1,408 days, indicating a complete cessation of development. The last release was limited to minor backend updates and bug fixes, with no new features or content added since. Given the lack of updates for nearly four years, the app is classified as a zombie project.
Who built it?
User Sentiment
What do users think recently?
Fresh user feedback skews mixed. Users appreciate the clean interface and efficient scanning tool provide a helpful way to track manga collections and automatic volume stacking and series separation help users organize their physical library effectively.
How are ratings & reviews evolving?
What users say, by theme
- The clean interface and efficient scanning tool provide a helpful way to track manga collections
- Automatic volume stacking and series separation help users organize their physical library effectively
- Frequent crashes and error messages during scanning or searching prevent users from building their library
11 of 11 recent reviews analyzed · moderate confidence · Mixed overall
Read the full review analysisUnlock 1 more frustration theme and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Yama: Manga Collector
How's the Book market?
Yama: Manga Collector maintains a niche position in the Book category with a 3.8-star rating across 19 total platform ratings. The lack of updates for over 1,400 days suggests a stagnant market presence relative to active competitors.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Yama: Manga Collector
Where is it heading?
The manga cataloging market is shifting toward apps with active database support and manual entry capabilities. Yama: Manga Collector remains exposed due to a 1,408-day update gap, which will likely lead to further user attrition as the app fails to support new titles.
- The 1,408-day update gap signals a zombie product state, which prevents the app from addressing critical search and scanning failures.
- User frustration with mandatory registration and data privacy concerns creates a churn risk that cannot be mitigated without a product pivot.
The SWOT
- ISBN scanner reduces initial collection-building friction.
- Social library comparison drives organic user acquisition.
- Manual entry feature would resolve the primary user frustration with scanning failures.
Next best moves
Ship manual entry feature because scanning failures are the top user complaint → increase library completion rate
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of monetization is not a strength…
Read the full takeBottom line
Maintenance-mode status (1,408 days since the last update) leaves Yama: Manga Collector vulnerable to data-loss and search failures, which erodes the core inventory utility that once defined its market position.
Unlock 3 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Yama: Manga Collector free to use?
Can I add manga manually if the scanner fails?
Is my data safe with Yama: Manga Collector?
Sources
- [1] App Store listing
Report last updated